/*
 * Copyright 2009 stanislawbartkowski@gmail.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.example.jpa.entities;

import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

public class PMF {

	private static final String PERSISTENCE_UNIT_NAME = "transactions-optional";
	private static EntityManagerFactory factory = null;

	public static EntityManagerFactory getFactory() {
		if (factory == null) {
			factory = Persistence
					.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);
		}
		return factory;
	}
	
	public static void resetFactory() {
		if (factory != null) {
			factory.close();
		}
		factory = null;
	}

}
